victory over 魏 Wei was gained in 341 BC , may be dismissed as chronologically impossible. Whence these data were obtained by Têng Ming-shih I do not know, but of course no reliance whatever can be placed in them.

An interesting document which has survived from the close of the Han period is the short preface written by the Great 曹操 Tsʽao Tsʽao , or 魏武帝 Wu Wei Ti , for his edition of Sun Tzǔ . I shall give it in full:⁠—